Outer conductor structure of coaxial connector
By optimizing the outer conductor structure design of the coaxial connector, and adopting integrated stamping and multiple structural combinations, the problem of insufficient head impedance in high-frequency signal transmission was solved, achieving effective transmission of high-frequency signals and improving the stability of the connector.
Patent Information
- Application Number
- CN202520150219.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing connectors have insufficient head impedance under high-frequency conditions, which affects system performance and stability. Furthermore, traditional improvement methods increase cost or complexity, making it difficult to effectively reduce impedance without significantly increasing size and cost.
The conductor body is integrally stamped and formed, and combined with the inner flange structure, contact spring, large and small round wrapping structure, semi-round wrapping structure and piercing boss design, the connector structure is optimized to reduce head impedance and improve stability.
Without increasing size and cost, it significantly reduces head impedance, improves high-frequency signal transmission efficiency and connector stability and reliability, adapts to various wire harness specifications, and enhances mechanical performance and vibration resistance.
Smart Images
Figure CN223785348U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of radio frequency coaxial connectors, in particular to an outer conductor structure of a coaxial connector. BACKGROUND
[0002] With the rapid development of information technology, the requirements for signal transmission are becoming higher and higher, especially in high-frequency signal transmission. The traditional connectors often cannot meet the needs of low loss, stability and reliability. Most of the connectors on the market perform poorly under high-frequency conditions, especially in head impedance control, which directly affects the performance and stability of the overall system.
[0003] In order to improve the performance of the connector under high-frequency conditions, several common solutions are available, including increasing the thickness of the shielding layer, optimizing the contact surface material selection, and improving the internal circuit layout. For example, by increasing the metal shielding layer, electromagnetic interference can be effectively reduced, but at the same time, the cost and weight are also increased. While optimizing the contact surface material can improve the electrical performance, it is difficult to achieve uniform coverage in the actual processing process. As for improving the internal circuit layout, complex mechanical design and technical support are required, and it may not achieve the desired effect in all cases. These methods have their own advantages and limitations.
[0004] Although the above measures can alleviate the problem to some extent, there are still some common problems that have not been effectively solved - how to significantly reduce the head impedance without significantly increasing the volume and cost, ensuring the effective transmission of high-frequency signals has become one of the key problems that the industry needs to overcome. CONTENT OF THE INVENTION
[0005] In order to overcome the defects in the prior art, the present application provides an outer conductor structure of a coaxial connector, which can significantly reduce the head impedance while ensuring the miniaturization of the connector, thereby improving the efficiency and reliability of high-frequency signal transmission.
[0006] Specifically, the present application provides an outer conductor structure of a coaxial connector, which adopts the following technical solution:
[0007] An outer conductor structure of a coaxial connector, comprising: a conductor body, the conductor body is integrally stamped and formed, and the front end of the conductor body is provided with an inward flanging structure, and a contact spring is arranged on the front end of the conductor body, a large round structure and a small round structure are arranged in sequence on the middle part of the conductor body away from the contact spring, and a half round structure is arranged on the tail part of the conductor body connected to the small round structure, wherein the small round structure is located between the large round structure and the half round structure, and forms a groove.
[0008] By adopting the technical scheme, the integrated stamping forming design of the conductor body can simplify the manufacturing process and improve the production efficiency. The setting of the inward flanging structure can change the diameter of the conductor tube to change the impedance of the region, thereby reducing the impedance of the conductor head and ensuring the effective transmission of high-frequency signals. In addition, the strength of the front-end structure can be increased to ensure the stability and reliability during connection. The design of the contact spring piece enhances the contact area and pressure with the plug, ensuring good electrical performance and signal transmission quality. The sequential arrangement of the large round structure and the small round structure and the formed groove optimize the overall structural layout, making the outer conductor have better mechanical properties and vibration resistance. The position of the half-round structure is reasonably set to ensure the integrity of the structure and facilitate assembly with other components.
[0009] Optionally, the connection between the large round structure and the small round structure is provided with a straight face structure for preventing the external plastic shell from being removed.
[0010] By adopting the above technical scheme, the connection between the large round structure and the small round structure is provided with a straight face structure, which can effectively prevent the external plastic shell from being displaced or falling off during assembly, thereby improving the stability and reliability of the product.
[0011] Optionally, a piercing boss is arranged on the small round structure, and the piercing boss faces the inside of the conductor body to prevent the insulator from being removed.
[0012] By adopting the above technical scheme, the piercing boss arranged on the small round structure and facing the inside of the conductor body can effectively prevent the insulator from being removed or displaced during assembly, thereby ensuring the stability and reliability of the connector.
[0013] Optionally, the half-round structure is a half-round outward flanging structure.
[0014] By adopting the above technical scheme, the half-round structure is designed as a half-round outward flanging structure, which can be used with a variety of diameter cable shielding layer crimping support rings, and is connected with the cable inner conductor through crimping to realize adaptation to various specifications of wire harnesses.
[0015] Optionally, the abutting surface of the half-round structure is an embedded abutting structure.
[0016] By adopting the above technical scheme, the abutting surface of the half-round structure is an embedded abutting structure, which can improve the mechanical strength and stability of the connector, prevent loosening due to vibration or external force during use, and ensure connection reliability and electrical performance.
[0017] Optionally, the connection between the small round structure and the half-round structure is provided with an arc shape.
[0018] By adopting the technical scheme, the connecting part of the small-packet round structure and the semi-packet round structure is arc-shaped, so that the connecting part is more smoothly transitioned, stress concentration is effectively reduced, and the overall stability and reliability of the structure are improved.
[0019] Optionally, the piercing boss is triangular and three in number and uniformly distributed on the small-packet round structure.
[0020] By adopting the technical scheme, the piercing boss is triangular and three in number and uniformly distributed on the small-packet round structure, so that the anti-backout function of the piercing boss is effectively enhanced, the insulation body is firmly installed, and loosening caused by vibration or external force is prevented. Meanwhile, the design of the three piercing bosses makes the stress more uniform, and the overall reliability and stability of the connector are improved.
[0021] Optionally, the contact spring is three in number and uniformly distributed on the front end of the conductor body.
[0022] By adopting the technical scheme, the contact spring is three in number and uniformly distributed on the front end of the conductor body, so that the connector has good electrical contact performance during insertion, and the stability and reliability of the connector are improved. Specifically, multiple contact points can disperse pressure and reduce the pressure concentration of a single contact point, thereby prolonging the service life and reducing the failure rate.
[0023] Optionally, the diameter of the inward flanging structure is the minimum diameter of the conductor body.
[0024] By adopting the technical scheme, the diameter of the inward flanging structure is designed as the minimum diameter of the conductor body, so that the structure can reduce the material usage amount and production cost while ensuring the mechanical strength. Meanwhile, this design also helps to improve the overall compactness and stability of the coaxial connector.
[0025] In summary, the present application has at least one of the following beneficial technical effects:
[0026] 1. The conductor body is integrally formed by stamping, and an inward flanging structure is arranged at the front end, so that the head impedance is effectively reduced, and the high-frequency signal transmission performance and stability of the connector are improved.
[0027] 2. The straight surface structure between the large-packet round structure and the small-packet round structure can effectively prevent the external plastic shell from backout, and the overall stability and reliability of the connector are improved.
[0028] 3. The piercing boss on the small-packet round structure not only strengthens the fixing effect with the insulation body, but also further improves the electrical performance of the connector under high-frequency conditions.
[0029] 4. The semi-circular structure is designed as a semi-circular structure, which can be used with a variety of diameter cable shielding layer lamination support rings, and is connected with the inner conductor of the cable through crimping to realize the adaptation of a variety of specifications of the wire harness. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 A perspective view of the outer conductor structure of a coaxial connector disclosed in the embodiments of the present application is shown;
[0031] Figure 2 A perspective view of the outer conductor structure of a coaxial connector disclosed in the embodiments of the present application is shown; Figure 1
[0032] A perspective view of the outer conductor structure of a coaxial connector disclosed in the embodiments of the present application is shown. Figure 3 Figure 1 A perspective view of the outer conductor structure of a coaxial connector disclosed in the embodiments of the present application is shown.
[0033] Explanation of reference signs:
[0034] 10, conductor body; 11, inward flanging structure; 12, contact spring; 13, large round structure; 14, small round structure; 141, piercing boss; 15, semi-circular structure; 16, groove. DETAILED DESCRIPTION
[0035] The terms used in the following embodiments of the present application are only for the purpose of describing the specific embodiments, and are not intended to be limiting to the present application. As used in the specification and the appended claims of the present application, the singular forms "a," "an," and "the" are intended to include both singular and plural forms, unless the context clearly indicates otherwise. It will be further understood that the term "and / or" used in the present application means and includes any or all possible combinations of one or more listed items.
[0036] Hereinafter, the terms "first" and "second" are used only for the purpose of description, and cannot be understood as implying or suggesting relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0037] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0038] Referring to Figure 1 and Figure 2 The embodiment of the application discloses a coaxial connector outer conductor structure, which comprises a conductor main body 10, the conductor main body 10 is integrally stamped and formed, and the front end of the conductor main body 10 is designed as an inner flanging structure 11; the inner flanging structure 11 is arranged, so that the front end of the conductor main body 10 has a smaller diameter, thereby reducing the impedance on the signal transmission path and improving the transmission efficiency of high-frequency signals; in addition, the front end structure strength can be increased, and the stability and reliability during connection can be ensured.
[0039] The diameter of the inner flanging structure 11 is the minimum diameter of the conductor main body 10, so that the structure can reduce the material usage amount and production cost while ensuring the mechanical strength, and the overall compactness and stability of the coaxial connector can be improved.
[0040] A contact spring 12 is further arranged on the front end of the conductor main body 10, a large round structure 13 and a small round structure 14 are sequentially arranged at the middle part of the conductor main body 10 away from the contact spring 12, and a half round structure 15 is arranged at the tail part of the conductor main body 10 connected with the small round structure 14, wherein the small round structure 14 is located between the large round structure 13 and the half round structure 15 and forms a groove 16.
[0041] Specifically, the conductor main body 10 is a metal plate integrally stamped and formed, for example, copper alloy or aluminum alloy is used as the material to ensure good electrical conductivity and mechanical strength. The contact spring 12 maintains good contact with the mating terminal through elastic deformation to ensure stable electrical connection.
[0042] In the embodiment, the contact springs are arranged in three and uniformly distributed on the front end of the conductor main body 10, so that the connector has good electrical contact performance during insertion and the stability and reliability of the connector are improved. Specifically, multiple contact points can disperse pressure and reduce the pressure concentration of a single contact point, thereby prolonging the service life and reducing the failure rate. In addition, the height of the contact spring 12 can be equal to the maximum thickness of the conductor main body 10, so that different specifications of the mating terminal can be better adapted, and the universality is improved.
[0043] Referring to Figure 1 and Figure 2 The arrangement of the large round structure 13 and the small round structure 14 helps to disperse stress and prevent damage caused by excessive local stress. The two structures can be manufactured through a rolling or bending process, and the specific shape can be adjusted and designed according to the internal structure. Figure 2 The connection part of the large round structure 13 and the small round structure 14 is a straight face structure, which is used for stopping the external plastic shell and preventing the plastic shell from falling off during the plugging process, and further improves the stability of the connector.
[0044] Referring to Figure 2 and Figure 3On the small bag round structure 14, a piercing boss 141 is arranged towards the inside of the conductor body 10 for stopping the insulation. The piercing boss 141 can be triangular or other sharp shapes, and the number is three, and is uniformly distributed on the small bag round structure 14. Such design can automatically lock the insulation when the insulation is inserted into the conductor body 10, avoid the insulation loose or directly from the conductor body 10, affect the transmission of the signal, and the design of three piercing bosses 141 makes the stress more uniform, improves the overall reliability and stability of the connector. It is explained that the piercing boss 141 is integrally arranged with the conductor body 10.
[0045] Referring to Figure 1 and Figure 3 , the half bag round structure 15 is a half bag type expansion structure, which can be used with a variety of diameter size cable shielding lamination contact support ring, connected with the cable inner conductor through the crimping mode, and can adapt to a variety of specifications of wire harness.
[0046] Among them, the butt joint surface of the half bag round structure 15 adopts an embedded butt joint structure, which can increase the tightness of the joint part and reduce the risk of signal leakage. In addition, the connection between the small bag round structure 14 and the half bag round structure 15 is arc-shaped, which can smoothly transition and reduce stress concentration points to prolong service life.
[0047] Referring to Figure 1 , the recess 16 is arranged between the small bag round structure 14 and the half bag round structure 15, and the width and depth of the recess 16 can be adjusted according to the actual application environment. In addition, the design of the recess 16 can accommodate additional sealing elements or fillers to further improve the waterproof and dustproof performance of the connector.
[0048] In summary, the coaxial connector outer conductor structure disclosed by the embodiment of the application can greatly reduce the head impedance without significantly increasing the volume and cost, and ensure the effective transmission of high-frequency signals. In particular, the cooperation of the contact spring 12, the piercing boss 141 and the half bag round structure 15 greatly improves the stability and reliability of the connector, and can be applied to various harsh working environments. Compared with the traditional connector, the application not only breaks through in electrical performance, but also optimizes the mechanical structure, and realizes higher comprehensive performance.
[0049] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. An outer conductor structure for a coaxial connector, characterized in that, Include: The conductor body (10) is integrally stamped and formed, the front end of the conductor body (10) is provided with an inward flanging structure (11), and the front end of the conductor body (10) is provided with a contact spring (12), a large round structure (13) and a small round structure (14) are sequentially arranged away from the contact spring (12) in the middle part of the conductor body (10), a half round structure (15) is arranged at the tail of the conductor body (10) connected with the small round structure (14), wherein the small round structure (14) is located between the large round structure (13) and the half round structure (15), and a groove (16) is formed.
2. A coaxial connector outer conductor structure as recited in claim 1, wherein, The connecting part of the large round structure (13) and the small round structure (14) is provided with a straight surface structure for preventing the external plastic shell from being withdrawn.
3. The outer conductor structure of a coaxial connector of claim 1, wherein, A piercing boss (141) is arranged on the small round structure (14), the piercing boss (141) faces the inside of the conductor body (10), and is used for preventing the insulation body from being withdrawn.
4. The outer conductor structure of a coaxial connector of claim 1, wherein, The half round structure (15) is a half round structure.
5. The outer conductor structure of a coaxial connector of claim 1, wherein, The butt joint surface of the half round structure (15) is an embedded butt joint structure.
6. A coaxial connector outer conductor structure as recited in claim 1, wherein, The connecting part of the small round structure (14) and the half round structure (15) is arc-shaped.
7. A coaxial connector outer conductor structure as recited in claim 3, wherein, The piercing boss (141) is triangular and is arranged in three, which are uniformly distributed on the small round structure (14).
8. A coaxial connector outer conductor structure as recited in claim 7, wherein, The contact spring (12) is arranged in three, which are uniformly distributed on the front end of the conductor body (10).
9. The outer conductor structure of a coaxial connector of claim 1, wherein, The diameter of the inward flanging structure (11) is the smallest diameter of the conductor body (10).